JRJoshua Rubioinblog.spectreworks.ai·1h ago · 3 min readThe venv Trap: Why "I Already Installed It" Doesn't Mean What You ThinkTwo sessions, same error, both times I was sure I was wrong to be confused: ModuleNotFoundError: No module named 'psycopg2' I'd installed psycopg2-binary already. I knew I had. First session, I chalke00